<?php

declare(strict_types=1);

namespace App\Tests\Command;

use App\Entity\Assignment;
use App\Tests\Service\Assignment\StaffingFixturesTrait;
use Doctrine\DBAL\Connection;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Bundle\FrameworkBundle\Console\Application;
use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Tester\CommandTester;

/**
 * End to end against db_test: the matrix, the import's columns, the configured ids and the
 * "never twice" rule have to agree, which no unit test can show.
 */
class AssignmentGenerateCommandTest extends KernelTestCase
{
    use StaffingFixturesTrait;

    private EntityManagerInterface $entityManager;

    private CommandTester $tester;

    protected function setUp(): void
    {
        self::bootKernel();

        $this->entityManager = self::getContainer()->get(EntityManagerInterface::class);
        $this->resetStaffingTables(self::getContainer()->get(Connection::class));

        $this->tester = new CommandTester((new Application(self::$kernel))->find('app:assignment-generate'));
    }

    public function testDraftsAreCreatedForEnabledRowsOnly(): void
    {
        $this->staffingRule($this->entityManager, 'DKIMP');
        $this->staffingRule($this->entityManager, 'DGSMP', enabled: false);
        $destination = $this->staffingDestination($this->entityManager, 'DKIMP110127', 'DKIMP');
        $this->staffingDestination($this->entityManager, 'DGSMP110127', 'DGSMP');
        $this->entityManager->flush();

        $this->assertSame(Command::SUCCESS, $this->tester->execute([]));

        $assignments = $this->assignments();

        $this->assertCount(3, $assignments);

        [$guide, $secondGuide, $course] = $assignments;

        $this->assertSame($destination->getId(), $guide->getDestination()->getId());
        $this->assertSame('Reiseleitung', $guide->getJobProfile()->getName());
        $this->assertSame(1, $guide->getAvailableDispositions());
        $this->assertSame(5, $guide->getPickup());
        $this->assertSame(['Skigebietsguiding (pro Einheit)'], $guide->getFees()->map(static fn ($fee) => $fee->getName())->toArray());
        $this->assertSame(Assignment::STATUS_DRAFT, $guide->getStatus());
        $this->assertSame('system', $guide->getCreatedBy());

        $this->assertSame('Reiseleitung', $secondGuide->getJobProfile()->getName());
        $this->assertSame(1, $secondGuide->getAvailableDispositions());
        $this->assertSame(0, $secondGuide->getPickup());
        $this->assertCount(0, $secondGuide->getFees());

        $this->assertSame('Kursleitung Ski Anfänger:innen', $course->getJobProfile()->getName());
        $this->assertSame(0, $course->getPickup());
    }

    public function testADeletedDraftIsNotCreatedAgain(): void
    {
        $this->staffingRule($this->entityManager, 'DKIMP');
        $this->staffingDestination($this->entityManager, 'DKIMP110127', 'DKIMP');
        $this->entityManager->flush();

        $this->tester->execute([]);

        foreach ($this->assignments() as $assignment) {
            $assignment->setDeleted();
        }
        $this->entityManager->flush();

        $this->tester->execute([]);

        $this->assertStringContainsString('davon 1 schon mit Einsätzen', $this->tester->getDisplay());
        $this->assertCount(3, $this->assignments());
    }

    public function testADryRunWritesNothing(): void
    {
        $this->staffingRule($this->entityManager, 'DKIMP');
        $this->staffingDestination($this->entityManager, 'DKIMP110127', 'DKIMP');
        $this->entityManager->flush();

        $this->assertSame(Command::SUCCESS, $this->tester->execute(['--dry-run' => true]));

        $this->assertStringContainsString('1× Reiseleitung (Busbegleitung)', $this->tester->getDisplay());
        $this->assertCount(0, $this->assignments());
    }

    public function testAMissingJobProfileStopsTheRunBeforeItWrites(): void
    {
        $this->staffingRule($this->entityManager, 'DKIMP');
        $this->staffingDestination($this->entityManager, 'DKIMP110127', 'DKIMP');
        $this->entityManager->flush();

        self::getContainer()->get(Connection::class)->executeStatement('UPDATE job_profile SET deleted_at = NOW() WHERE id = 21');

        $this->assertSame(Command::FAILURE, $this->tester->execute([]));
        $this->assertCount(0, $this->assignments());
    }

    /**
     * @return list<Assignment>
     */
    private function assignments(): array
    {
        $this->entityManager->clear();

        return $this->entityManager->getRepository(Assignment::class)->findBy([], ['id' => 'ASC']);
    }
}